First, late-model cars began driving themselves away, with no one at the wheel.

Then valuable items began to vanish from locked rooms.

It was a new kind of crime wave. And Kenneth Malone, the FBI's expert
on "impossibilities," was afraid it was a new kind of criminal: one who
could disappear at will, walk through walls, and thumb his nose at the
agents of order.

And he was right --- dead right!

First book publication, 1963. Clean cover, aliilt bit off-color in the
white area. Price stamp at upper right, and a very slight underlap.
Spine is clean and uncreased, browned along edges. Pages are off-white.
Binding is flexible but intact.